53403620500 has 24 divisors (see below), whose sum is σ = 116633508264. Its totient is φ = 21361448000.

The previous prime is 53403620471. The next prime is 53403620527. The reversal of 53403620500 is 502630435.

It can be written as a sum of positive squares in 4 ways, for example, as 997422724 + 52406197776 = 31582^2 + 228924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53403121 + ... + 53404120.

It is an arithmetic number, because the mean of its divisors is an integer number (4859729511).

Almost surely, 2^53403620500 is an apocalyptic number.

53403620500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53403620500 is an abundant number, since it is smaller than the sum of its proper divisors (63229887764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53403620500 is a wasteful number, since it uses less digits than its factorization.

53403620500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106807260 (or 106807248 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 53403620500 in words is "fifty-three billion, four hundred three million, six hundred twenty thousand, five hundred".